Cisco Talos Advisory on Adversaries Targeting the Healthcare and Public Health Sector

BackgroundCisco Talos has become aware that an adversary is leveraging Trickbot banking trojan and Ryuk ransomware to target U.S. hospitals and healthcare providers at an increasing rate. Security journalists reported on October 28, 2020 that the adversary was preparing to encrypt systems at...

Threat Source newsletter (April 2, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. As long as COVID-19 is in the headlines which is going to be a long time actors are going to try and capitalize. We fully expect to see ...

Unpatched Microsoft Word DDE Exploit Being Used In Widespread Malware Attacks

A newly discovered unpatched attacking method that exploits a built-in feature of Microsoft Office is currently being used in various widespread malware attack campaigns. Last week we reported how hackers could leveraging an old Microsoft Office feature called Dynamic Data Exchange DDE, to perfor...

Threat Round-up for July 28 - August 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 28 and August 04. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior characteristic...

WannaCry Inspires Banking Trojan to Add Self-Spreading Ability

Although the wave of WannaCry and Petya ransomware has now been slowed down, money-motivated hackers and cyber criminals have taken lessons from the global outbreaks to make their malware more powerful. Security researchers have now discovered at least one group of cyber criminals that are...